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antiseptic1488 [7]
3 years ago
9

- n/5 = -2 n=? please help xd

Mathematics
1 answer:
lbvjy [14]3 years ago
4 0

Hey there! :)

-n/5 = -2

We need to isolate our variable & in this case, our variable is n. We want to isolate n, but to do so, we must get rid of our fractions.

We can do this by multiplying both sides by 5. This rids our denominators.

-n/5 × 5 = -2 × 5

Simplify.

-n = -10

Divide both sides by -1.

-n ÷ -1 = -10 ÷ -1

Simplify.

n = 10

~hope I helped~

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F(x) = square root of x+9 ; g(x) = 8x - 13<br> Find f(g(x))
ryzh [129]

Answer:

\sqrt{8x-4}

Step-by-step explanation:

Substitute x = g(x) into f(x) , that is

f(g(x))

= f(8x - 13)

= \sqrt{8x-13+9}

= \sqrt{8x-4}

3 0
4 years ago
Drag each label to the correct location on the image.
Misha Larkins [42]

Answer:

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3 years ago
What is the slope of the line that modles the table below? ​
Shtirlitz [24]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
Jane is playing a game in which he spins a spinner with 6 equal-sized slices numbered 1 through 6. The spinner stops on a number
sleet_krkn [62]

Answer:

The expected value of playing the game is $0.75.

Step-by-step explanation:

The expected value of a random variable is the weighted average of the random variable.

The formula to compute the expected value of a random variable <em>X</em> is:

E(X)=\sum x\cdot P(X=x)

The random variable <em>X</em> in this case can be defined as the amount won in playing the game.

The probability distribution of <em>X</em> is as follows:

Number on spinner:   1           2           3          4           5              6

Amount earned (<em>X</em>):   $1        $4         $7        $10     -$8.75     -$8.75

Probability:                 1/6       1/6         1/6        1/6         1/6           1/6

Compute the expected value of <em>X</em> as follows:

E(X)=\sum x\cdot P(X=x)

         =(1\times \frac{1}{6})+(4\times \frac{1}{6})+(7\times \frac{1}{6})+(10\times \frac{1}{6})+(-8.75\times \frac{1}{6})+(-8.75\times \frac{1}{6})

         =\frac{1}{6}+\frac{4}{6}+\frac{7}{6}+\frac{10}{6}-\frac{8.75}{6}-\frac{8.75}{6}

         =\frac{1+4+7+10-8.75-8.75}{6}

         =0.75

Thus, the expected value of playing the game is $0.75.

5 0
4 years ago
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Maksim231197 [3]

Answer:

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Step-by-step explanation:

6 0
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